import Vue from 'vue'
import Router from 'vue-router'
import { constantRouterMap } from '@/router/router.config'

// hack router push callback
const originalPush = Router.prototype.push
Router.prototype.push = function push(location, onResolve, onReject) {
  if (onResolve || onReject) return originalPush.call(this, location, onResolve, onReject)
  return originalPush.call(this, location).catch(err => err)
}

Vue.use(Router)
export default new Router({
  mode: 'history',
  base: process.env.BASE_URL,
  scrollBehavior(to, from, savedPosition) {
    if (to.path === from.path) return null
    if (savedPosition) {
      return savedPosition
    } else {
      return { x: 0, y: 0 }
    }
  },
  routes: constantRouterMap
})
